28883712

素因数分解:

$2^8\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 144

約数和(自身を含む): 90655488

約数和(自身を除く): 61771776

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 32, 33, 39, 44, 48, 52, 64, 66, 78, 88, 96, 104, 128, 132, 143, 156, 176, 192, 208, 256, 263, 264, 286, 312, 352, 384, 416, 429, 526, 528, 572, 624, 704, 768, 789, 832, 858, 1052, 1056, 1144, 1248, 1408, 1578, 1664, 1716, 2104, 2112, 2288, 2496, 2816, 2893, 3156, 3328, 3419, 3432, 4208, 4224, 4576, 4992, 5786, 6312, 6838, 6864, 8416, 8448, 8679, 9152, 9984, 10257, 11572, 12624, 13676, 13728, 16832, 17358, 18304, 20514, 23144, 25248, 27352, 27456, 33664, 34716, 36608, 37609, 41028, 46288, 50496, 54704, 54912, 67328, 69432, 75218, 82056, 92576, 100992, 109408, 109824, 112827, 138864, 150436, 164112, 185152, 201984, 218816, 225654, 277728, 300872, 328224, 370304, 437632, 451308, 555456, 601744, 656448, 740608, 875264, 902616, 1110912, 1203488, 1312896, 1805232, 2221824, 2406976, 2625792, 3610464, 4813952, 7220928, 9627904, 14441856, 28883712]

約数ペア:

[(1, 28883712), (2, 14441856), (3, 9627904), (4, 7220928), (6, 4813952), (8, 3610464), (11, 2625792), (12, 2406976), (13, 2221824), (16, 1805232), (22, 1312896), (24, 1203488), (26, 1110912), (32, 902616), (33, 875264), (39, 740608), (44, 656448), (48, 601744), (52, 555456), (64, 451308), (66, 437632), (78, 370304), (88, 328224), (96, 300872), (104, 277728), (128, 225654), (132, 218816), (143, 201984), (156, 185152), (176, 164112), (192, 150436), (208, 138864), (256, 112827), (263, 109824), (264, 109408), (286, 100992), (312, 92576), (352, 82056), (384, 75218), (416, 69432), (429, 67328), (526, 54912), (528, 54704), (572, 50496), (624, 46288), (704, 41028), (768, 37609), (789, 36608), (832, 34716), (858, 33664), (1052, 27456), (1056, 27352), (1144, 25248), (1248, 23144), (1408, 20514), (1578, 18304), (1664, 17358), (1716, 16832), (2104, 13728), (2112, 13676), (2288, 12624), (2496, 11572), (2816, 10257), (2893, 9984), (3156, 9152), (3328, 8679), (3419, 8448), (3432, 8416), (4208, 6864), (4224, 6838), (4576, 6312), (4992, 5786)]